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Cheap flights from Sacramento to St. Louis from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sacramento to St. Louis departing on 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Sacramento to St. Louis

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Sacramento to St. Louis.
Frontier Logo
11:56 am - 9:09 amSMF-STL
19h 13m1 stop
Frontier Logo
8:15 pm - 11:06 amSTL-SMF
16h 51m1 stop
$191Frontier
Find Deal
Sun, May 4 - Sat, May 10
 Logo
1:18 pm - 9:05 pmSMF-STL
5h 47m1 stop
 Logo
9:55 pm - 9:46 amSTL-SMF
13h 51m1 stop
Fri, May 9 - Mon, May 12
American Airlines Logo
2:48 pm - 11:54 pmSMF-STL
7h 06m1 stop
American Airlines Logo
5:37 am - 10:08 amSTL-SMF
6h 31m1 stop
$247American Airlines
Find Deal
Tue, Jun 24 - Tue, Jul 1
Delta Logo
5:09 pm - 12:43 amSMF-STL
5h 34m1 stop
Delta Logo
2:15 pm - 10:05 pmSTL-SMF
9h 50m1 stop
$257Delta
Find Deal
Tue, Jun 10 - Fri, Jun 13
Delta Logo
1:58 pm - 11:26 pmSMF-STL
7h 28m1 stop
Delta Logo
2:15 pm - 10:02 pmSTL-SMF
9h 47m1 stop
$262Delta
Find Deal
Wed, May 7 - Wed, May 14
United Airlines Logo
7:00 am - 3:47 pmSMF-STL
6h 47m1 stop
United Airlines Logo
6:00 am - 12:08 pmSTL-SMF
8h 08m1 stop
$272United Airlines
Find Deal
Wed, May 7 - Sun, May 11
American Airlines Logo
11:59 pm - 8:59 amSMF-STL
7h 00m1 stop
American Airlines Logo
5:00 am - 10:33 amSTL-SMF
7h 33m1 stop
$277American Airlines
Find Deal
Fri, May 9 - Mon, May 12
United Airlines Logo
10:38 am - 9:01 pmSMF-STL
8h 23m2 stops
United Airlines Logo
5:20 am - 9:45 amSTL-SMF
6h 25m1 stop
$294United Airlines
Find Deal
Wed, May 14 - Tue, May 20
Southwest Logo
3:55 pm - 11:35 pmSMF-STL
5h 40m1 stop
Southwest Logo
5:25 pm - 7:40 pmSTL-SMF
4h 15mnonstop
$315Southwest
Find Deal
Wed, May 7 - Wed, May 14
Southwest Logo
12:35 pm - 6:15 pmSMF-STL
3h 40mnonstop
Southwest Logo
5:25 pm - 9:45 pmSTL-SMF
6h 20m1 stop
$340Southwest
Find Deal
Tue, May 20 - Tue, May 27

Delta flights from Sacramento to St. Louis

Our best Delta deals on Sacramento to St. Louis flight tickets
Delta
Jun 10
SMF5:09 pmSacramento Intl
5h 34m
1 stop
STL12:43 amLambert-St Louis
Jun 13
STL2:15 pmLambert-St Louis
9h 50m
1 stop
SMF10:05 pmSacramento Intl
Delta
May 7
SMF1:58 pmSacramento Intl
7h 28m
1 stop
STL11:26 pmLambert-St Louis
May 14
STL2:15 pmLambert-St Louis
9h 47m
1 stop
SMF10:02 pmSacramento Intl
Delta
May 5
SMF11:05 pmSacramento Intl
8h 23m
1 stop
STL9:28 amLambert-St Louis
May 13
STL3:50 pmLambert-St Louis
6h 39m
1 stop
SMF8:29 pmSacramento Intl

Southwest flights from Sacramento to St. Louis

Our best Southwest deals on Sacramento to St. Louis flight tickets
Southwest
May 7
SMF3:55 pmSacramento Intl
5h 40m
1 stop
STL11:35 pmLambert-St Louis
May 14
STL5:25 pmLambert-St Louis
4h 15m
SMF7:40 pmSacramento Intl
Southwest
May 20
SMF12:35 pmSacramento Intl
3h 40m
STL6:15 pmLambert-St Louis
May 27
STL5:25 pmLambert-St Louis
6h 20m
1 stop
SMF9:45 pmSacramento Intl
Southwest
May 8
SMF4:35 pmSacramento Intl
6h 00m
1 stop
STL12:35 amLambert-St Louis
May 14
STL5:25 pmLambert-St Louis
4h 15m
SMF7:40 pmSacramento Intl

See travel insights to St. Louis from

How to get the cheapest flight ticket from Sacramento to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, January is the cheapest month to fly from Sacramento to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $246. The month of February is another great option to travel to St. Louis, with average flight prices from Sacramento averaging around $256.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $413. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $597. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Sacramento in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $336 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $501 per ticket.

What is the cheapest Sacramento Intl to Lambert-St Louis flight route?

Fly from Sacramento Intl to Lambert-St Louis for the best Sacramento Intl - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Sacramento when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $337 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Sacramento for as low as $231 on momondo.

What cabin class options are available on Sacramento Intl to Lambert-St Louis flights?

There are 1 cabin classes available to choose from on Sacramento Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Sacramento to St. Louis flight prices changed over time?

As of April 2025, prices for Sacramento to St. Louis flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Sacramento to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Sacramento to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sacramento to St. Louis (SMF to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sacramento to St. Louis

Best Price Found

$99

Fastest flight time

3h 35m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Sacramento in the past 72 hours is $99. The best round-trip flight deal from Sacramento to St. Louis found on momondo in the last 72 hours is $191.
The fastest flight from Sacramento to St. Louis takes 3h 35m
Direct flights go from Sacramento to St. Louis on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Southwest.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Sacramento Intl to Lambert-St Louis by plane?

    There are 1680.4 mi between Sacramento Intl and Lambert-St Louis. In terms of flight time, this usually takes a little over 3h 35m.

  • When did momondo last update prices for flights from Sacramento Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Sacramento Intl Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Sacramento Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Sacramento Intl Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sacramento Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Sacramento to St. Louis?

  • What is the most popular airline from Sacramento to St. Louis?


Best airlines flying from Sacramento to St. Louis

Compare and see reviews for airlines that fly from Sacramento to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
American AirlinesPriceFrom $211Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
7,920 reviews
Search Delta flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,287 reviews
Search Southwest flights
  • Southwest Flights From Sacramento to St. Louis

    Southwest flies from Sacramento to St. Louis around 5 times per week, with 4,287 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Sacramento to St. Louis in the last 72 hours was $346 (round-trip), much lower than the average airfare cost of $518 for Southwest flights on this route.


Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Florissant
Maryland Heights
Hermann
Fairview Heights
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Wentzville
Alton
Glencoe
Eureka
Edwardsville
Festus
Clayton
Grafton
Litchfield

Why use momondo?

Why should I use momondo to find a flight deal from Sacramento to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Sacramento.

Can I find flights from Sacramento to St. Louis with flexible booking policies on momondo?

All flight searches from Sacramento to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Sacramento to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Sacramento.

I’m not ready to book a flight from Sacramento to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sacramento to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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Mon 4/28
Mon 5/5

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